Read and choose the correct words.
Choose the correct answer to complete each of the following sentences.
Global warming is a serious issue, and we must take steps to __________ it from growing further.
Key __________ of the Siberian tiger are Korean pine forests with a complex composition and structure.
The government must take tougher __________ on pollution from cars.
These weapons are not only toxic but can also __________ habitats through fire.
Complete each sentence using the correct form of the word in brackets.
As trees are destroyed, species that depend on that tree habitat may also become . (danger)
The south-east has the highest of butterflies in the country. (diverse)
The of biodiversity is being more widely recognized. (important)
Choose the correct word or phrase to complete each sentence.
Mark said he (had written / was writting) several articles on sporting events since March.
She said she would visit her grandfather's farm the (following / previous) week.
She asked me (if I had / if had I) bought a second-hand piano two days before.
Ellie said her husband had gone with her to the show the (next / previous) day.
Choose the underlined part that needs correcting.
They told me they were meeting at the café this afternoon.
They asked me whether had I worked from home the previous year.
Ellie asked me that when I was going to return the book.
Complete the reported speech.
‘My grandfather ran a marathon at the age of 63,' he said.
➝ He said that a marathon at the age of 63.
‘I can speak Spanish fluently,' Akiko said.
➝ Akiko said she .
‘When did you start collecting coins?' they asked me.
➝ They asked me .
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